Pith Number

pith:IKAD7BXK

pith:2016:IKAD7BXKK4TWM2IHJG3K2UJFNV

not attested not anchored not stored refs pending

Trace Identities for the matrix Schr\"odinger operator on the half line with general boundary conditions

Ricardo Weder

arxiv:1603.09432 v1 · 2016-03-31 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKAD7BXKK4TWM2IHJG3K2UJFNV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T01:04:43.815071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42803f86ea572766690749b6ad51256d5fd8df420d8c111ee867e6ea87300b94

Aliases

arxiv: 1603.09432 · arxiv_version: 1603.09432v1 · doi: 10.48550/arxiv.1603.09432 · pith_short_12: IKAD7BXKK4TW · pith_short_16: IKAD7BXKK4TWM2IH · pith_short_8: IKAD7BXK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IKAD7BXKK4TWM2IHJG3K2UJFNV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 42803f86ea572766690749b6ad51256d5fd8df420d8c111ee867e6ea87300b94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e250d8abdd112fee46f8e008242d88bb2885d94a9245d3c67989c75391bd440",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-03-31T01:18:10Z",
    "title_canon_sha256": "a8a9af04ebf79b12e2c859d51fae686c742811ef8ad84817af2c838b19e10754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09432",
    "kind": "arxiv",
    "version": 1
  }
}